BGS mineralogy and petrology collection record

Sample number MR26360
Sample Donor Dangerfield,J.
Rock name 'Original entry: Rhyolite'
Stratigraphy Ordovician. Ordovician.
Comments Rhyolite. NGR as in register.
Locality details Quarry name: Conway Stone quarry: at 575 yds bearing 300 degrees from triangulation point 808' Mynydd Conway. Caernarvonshire
50k map sheet Llandudno (94)

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Map reference SH 757 781
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions